Vladimir Pozner's cover name as identified in the Venona project by NSA/FBI analysts is "Plato".

Vladimir Pozner and his family moved to East Berlin and later to Moscow in the early 1950s.

Pozner's son, Vladimir Vladimirovich Pozner, spoke internationally on behalf of Soviet agencies, and, after the collapse of the Soviet Union, came to be treated in the U.S., under the name Vladimir Posner (having Anglicized the surname), as an independent journalist.